Abstract
Five wheat varieties with different resistance to scab were used to study the effects of fusarium graminearum crude toxin on dedifferentiation and redifferentiation of wheat mature embryo. The results showed that the rate of mature embryo callus induction and differentiation in species,concentrations of toxin,and species × concentrations of toxin existed very significant differences. The callus induction of resistant varieties was promoted with lower concentration( 5 g /L) of crude toxin and was restrained with higher concentration( 10 g / L and 15 g / L). The higher concentration,the stronger restrain. The callus induction and differentiation rates of mature embryo decreased with increasing crude toxin,and that of poor resistant varieties were the lowest. At 10 g / L crude toxin,SOD activity of 5 varieties were higher than that of control( 0 g / L). At 20 g / L crude toxin,SOD activity of 5 varieties decreased,but that of two resistant varieties,Sumai 3 and Zhang 9023,were higher than that of control,that of the other three susceptible varieties were lower than that of control. This means there is a relationship between SOD activity and variety resistance. The results of this research provided technical support for resistant breeding of scab in wheat.
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Claims 9
Claim · model-written summary
Callus induction and differentiation rates differed significantly by variety, toxin concentration and their interaction.
- Taxon
- wheat
Triticum aestivumt0 - Organ / stage
- mature embryoe0
- Treatment
- concentrations of toxine0
- Outcome
- rate of mature embryo callus induction and differentiatione0
- Direction
- very significant differencese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the rate of mature embryo callus induction and differentiation in species,concentrations of toxin,and species × concentrations of toxin existed very significant differences”
t0“Wheat Mature Embryo”
Claim · model-written summary
Low crude toxin concentration promoted callus induction in resistant varieties.
- Taxon
- WheatTriticum aestivumt0
- Material
- resistant varietiese0
- Treatment
- lower concentration( 5 g /L) of crude toxine0
- Outcome
- callus inductione0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The callus induction of resistant varieties was promoted with lower concentration( 5 g /L) of crude toxin”
t0“Wheat Mature Embryo”
Claim · model-written summary
High crude toxin concentrations restrained callus induction in resistant varieties, increasingly with concentration.
- Taxon
- WheatTriticum aestivumt0
- Material
- resistant varietiese1
- Treatment
- higher concentration( 10 g / L and 15 g / L)e0
- Outcome
- callus inductione1
- Direction
- restrainede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“was restrained with higher concentration( 10 g / L and 15 g / L). The higher concentration,the stronger restrain”
e1“The callus induction of resistant varieties”
t0“Wheat Mature Embryo”
Claim · model-written summary
Callus induction and differentiation rates decreased with increasing crude toxin; poorly resistant varieties were lowest.
- Taxon
- WheatTriticum aestivumt0
- Material
- poor resistant varietiese0
- Organ / stage
- mature embryoe0
- Treatment
- increasing crude toxine0
- Outcome
- callus induction and differentiation ratese0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The callus induction and differentiation rates of mature embryo decreased with increasing crude toxin,and that of poor resistant varieties were the lowest”
t0“Wheat Mature Embryo”
Claim · model-written summary
At 10 g / L crude toxin, SOD activity of five varieties exceeded the control.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 10 g / L crude toxine0
- Outcome
- SOD activitye0
- Direction
- highere0
- Comparator
- control( 0 g / L)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 10 g / L crude toxin,SOD activity of 5 varieties were higher than that of control( 0 g / L)”
t0“Wheat Mature Embryo”
Claim · model-written summary
At 20 g / L toxin, SOD activity decreased across five varieties.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- 20 g / L crude toxine0
- Outcome
- SOD activitye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 20 g / L crude toxin,SOD activity of 5 varieties decreased”
t0“Wheat Mature Embryo”
Claim · model-written summary
At 20 g / L toxin, SOD activity in resistant Sumai 3 and Zhang 9023 exceeded control.
- Taxon
- WheatTriticum aestivumt0
- Material
- Sumai 3 and Zhang 9023e0
- Treatment
- 20 g / L crude toxine1
- Outcome
- SOD activitye1
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“that of two resistant varieties,Sumai 3 and Zhang 9023,were higher than that of control”
e1“At 20 g / L crude toxin,SOD activity of 5 varieties decreased”
t0“Wheat Mature Embryo”
Claim · model-written summary
At 20 g / L toxin, SOD activity in three susceptible varieties was lower than control.
- Taxon
- WheatTriticum aestivumt0
- Material
- other three susceptible varietiese0
- Treatment
- 20 g / L crude toxine1
- Outcome
- SOD activitye1
- Direction
- lowere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“that of the other three susceptible varieties were lower than that of control”
e1“At 20 g / L crude toxin,SOD activity of 5 varieties decreased”
t0“Wheat Mature Embryo”
Claim · model-written summary
The authors inferred a relationship between SOD activity and variety resistance.
- Taxon
- WheatTriticum aestivumt0
- Material
- variety resistancee0
- Outcome
- SOD activitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there is a relationship between SOD activity and variety resistance”
t0“Wheat Mature Embryo”
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See all 22 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.